Is the "should" you're doing getting in the way of you having the life you want? Is it contributing to you being unhappy? If the answer is yes, then you owe it to yourself to start making some new choices and releasing yourself.
We are deeply imprinted by the suffering we have caused others. In the Buddhist teachings, such sensitivity can be intelligent and healthy -- it plays an important role in awakening and freeing our hearts.
This is a time when most of us are called to do more with limited resources. So it is important to look at what zaps our power and let go of destructive habits -- clearly, holding on to guilt is one of them.